💻 Software
"Invalid MS-DOS function" error message when copying a file
Fresh7 days ago
Mar 15, 202653964 viewsConfidence Score0%
0%
Problem
I have Windows 7 PC. When copying a movie file (mp4) from a DVD to my PC's hard drive, in Windows Explorer, I'm getting the error: Invalid MS-DOS function. The error message pops up, I cancel out, and the file is not copied at all. I have many other mp4 files on the DVD (I custom ripped it), which …
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1 Fix
Canonical Fix
Unverified Fix
New Fix – Awaiting Verification
Fix for: "Invalid MS-DOS function" error message when copying a file
Low Risk
As you confirmed that it is probably corrupt, that is good. Usually it happens because the DVD is copy protected. There may be software that bypasses that, but it is doubtful someone would get that kind of help here as it is frowned upon.
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